Respected user, hi I evaluated your query thoroughly.
*
Sharp pain near appendix area has many reasons ( like ureteric stone,   
terminal ileitis, caecitis & many more ) apart from inflammation
  of appendix.( be sure 
Angioplasty has nothing to do with this pain )
*Kindly provide details necessary for us to correlate all the data for your 
  perfect guidance dear.
- intensity , duration , frequency , 
radiation of pain
- associated symptoms like nausea, 
vomiting, fever, altered bowel 
  movements ,  dysuria , back ache
- scanned copies of all reports done
- list of all current medications going on 
 Hope this clears your query
 Waiting for further details & reverting back .
 Thanks for using Health Care Magic & keeping trust in our medical services
 Regards dear take care.